ISSN 1016-5169 | E-ISSN 1308-4488
Archives of the Turkish Society of Cardiology
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Assessment of factors related to statin non-adherence in patients with established coronary artery disease: A single-center observational study [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 2017; 45(8): 723-730 | DOI: 10.5543/tkda.2017.89947

Assessment of factors related to statin non-adherence in patients with established coronary artery disease: A single-center observational study

Tuba Özdemir1, İrfan Şahin2, İlhan İlker Avcı3, Barış Güngör3, Eser Durmaz2, Sevil Tuğrul2, Mert İlker Hayıroğlu3, Serdar Kahyaoğlu2, Orkhan Karımov2, Ertuğrul Okuyan2
1Department of Family Medicine, Bağcılar Training and Research Hospital, İstanbul, Turkey
2Department of Cardiology, Bağcılar Training and Research Hospital, İstanbul, Turkey
3Department of Cardiology, Siyami Ersek Thoracic and Cardiovascular Surgery Center, İstanbul, Turkey


OBJECTIVE
Lifelong statin treatment is recommended in patients with cardiovascular diseases, but drug adherence is a significant problem. The aim of this study was to investigate factors related to statin discontinuation in high-risk patients with coronary artery disease (CAD) diagnosed by coronary angiography.

METHODS
A total of 300 consecutive patients who were followed-up with a diagnosis of CAD were recruited. Patients were categorized as statin adherent or statin non-adherent (patients interrupting statin therapy >30 days). Study participants completed a questionnaire regarding demographic characteristics, medical history, knowledge of statin treatment, and factors related to statin discontinuation.

RESULTS
In all, 160 patients (53.3%) were found to be statin adherent. Of those, 122 patients had suffered myocardial infarction, and atorvastatin was the most prescribed statin on discharge. Among the study population, 26% were illiterate and 55% had graduated from primary school. Only 39 cases (13%) cases had a low-density lipoprotein-cholesterol level <70 mg/dL. In 60% of the statin non-adherent patients, the reason for statin discontinuation was physician discontinuation of the statin prescription. In 14%, the patient stopped the therapy after cholesterol parameters had been reduced or reached the normal range. Only 8% of participants reported that negative information received from TV programs and social media was responsible for the decision to terminate drug use.

CONCLUSION
Our findings demonstrated that the importance of intensive statin treatment in CAD patients has not been recognized by patients or many physicians. Adherence to statin treatment and success of the therapy is low, leading to unnecessarily high cholesterol levels in patients with CAD.

Keywords: Adherence, coronary artery disease; statin.

How to cite this article
Tuba Özdemir, İrfan Şahin, İlhan İlker Avcı, Barış Güngör, Eser Durmaz, Sevil Tuğrul, Mert İlker Hayıroğlu, Serdar Kahyaoğlu, Orkhan Karımov, Ertuğrul Okuyan. Assessment of factors related to statin non-adherence in patients with established coronary artery disease: A single-center observational study. Turk Kardiyol Dern Ars. 2017; 45(8): 723-730

Corresponding Author: İrfan Şahin, Türkiye
Manuscript Language: English


Journal Metrics

Journal Citation Indicator: 0.18
CiteScore: 1.1
Source Normalized Impact
per Paper:
0.22
SCImago Journal Rank: 0.348

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